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words they cannot hear clearly enough. In the United States, captioned telephony is one of the free relay services that is available to anyone who is hard-of-hearing. Originally developed for use on the analog phone systems (where it requires a special phone) it is now available over IP using standard devices.
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Captioned telephony is the streaming of real-time text captions in parallel with speech on a phone call. This is used by people who are hard of hearing to allow them to have the full benefit of listening as best they can, hearing all the intonation etc. in speech, yet have the captions for those
157:. Real-time text allows the other person to read immediately, without waiting for the sender to finish composing his or her sentence/message. This allows conversational use of text, much like a hearing person can listen to someone speaking in real-time.
118:, by using appropriate software that has a real-time text feature. When present in IM programs, the real-time text feature can be turned on/off, just like other chat features such as audio. Real-time text programs date at least to the 1970s, with the
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is the utilization of real-time text for shared editing, rather than for conversation. Split screen chat, where conversational text appears continuously, is also considered real-time text. Some examples that provide this as a service are
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Certain real-time text applications have a feature that allows the real-time text to be "turned off", for temporary purposes. This allows the sender to pre-compose the message as a standard IM or text message before transmitting.
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defines the simultaneous use of audio, video and real-time text. An instant messaging program that can enable all three features simultaneously would be compliant. Real time text is an important part of it.
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is not real-time text (messages are sent deliberately when the writer is ready, not transmitted while they are being composed), a real-time text option is found in some instant messaging software, including
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transmitted instantly as it is typed or created. Recipients can immediately read the message while it is being written, without waiting.
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81:/1-1-2 emergency service. Obsolete TDD/TTY devices are being replaced by more modern real-time text technologies, including
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Real-time text is used for conversational text, in collaboration, and in live captioning. Technologies include
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and TypeWell frequently use real-time text, where text is streamed live to a remote display. This is used in
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Beam
Messenger, a mobile app offering real-time text messaging, was released in 2014.
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and when captions are being streamed live continuously during live events.
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413:"T.140 : Protocol for multimedia application text conversation"
102:'s "Real-Time IM" feature. Real-time text is also possible over any
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IETF RFC 5194 – Framework for Real-Time Text over IP Using SIP
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366:"The Terrifyingly Transparent Texting Of The Future Is Here"
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Real-time text is also historically found in the old UNIX
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RFC 4103, RFC 5194, and XMPP Extension
Protocol XEP-0301.
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Text transmitted instantly as it is typed or created
106:compatible chat networks, including those used by
479:"F.703 : Multimedia conversational services"
433:IETF RFC4103 – RTP Payload for Text Conversation
8:
212:Communication Access Real-Time Translation
198:Captioning, transcriptions and other uses
141:Real-time text is frequently used by the
126:, which remains in use on Unix systems.
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190:, the editor Gobby, and most notably
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346:AOL Instant Messenger "Real-Time IM"
85:, ip-relay, and instant messaging.
65:, transcription services including
456:"XEP-0301: In-Band Real Time Text"
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261:Multimedia Recommendation F.703,
234:Real-time text protocols include
59:telecommunications relay services
364:Bernstein, Joseph (2014-11-12).
175:Collaborative real-time editing
296:Collaborative real-time editor
1:
321:"REACH112 – About REACH112"
37:devices for the deaf, live
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202:Real-time text is used in
89:Use over instant messaging
71:collaborative text editing
282:, and older versions of
230:Real-time text protocols
278:, BBS software such as
238:(ToIP) designed around
222:on mobile phones, via
208:Transcription services
55:video teleconferencing
45:(ToIP), some types of
100:AOL Instant Messenger
79:next-generation 9-1-1
511:Real-time technology
286:messaging software.
170:Use in collaboration
161:Captioned telephony
122:program on the DEC
77:text applications,
351:2012-03-12 at the
263:total conversation
253:Total conversation
389:SwellRT "SwellRT"
224:real-time texting
204:closed captioning
95:instant messaging
49:, captioning for
47:instant messaging
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458:. 8 October 2013
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506:IMS services
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373:. Retrieved
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329:. Retrieved
325:the original
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301:Text over IP
280:Celerity BBS
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236:Text over IP
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155:Text over IP
145:, including
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83:Text over IP
69:, TypeWell,
43:Text over IP
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23:
19:
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192:Google Docs
180:Apache Wave
116:Google Talk
112:Cisco WebEx
108:Apple iChat
67:Remote CART
500:Categories
375:2024-02-06
307:References
210:including
149:services,
61:including
39:captioning
477:tsbmail.
411:tsbmail.
75:streaming
51:telephony
349:Archived
290:See also
188:Etherpad
147:IP-Relay
63:ip-relay
41:for TV,
270:History
184:SwellRT
151:TDD/TTY
35:TDD/TTY
484:16 May
462:16 May
418:16 May
331:16 May
226:apps.
124:PDP-11
114:, and
259:ITU-T
243:T.140
240:ITU-T
26:) is
486:2015
464:2015
420:2015
333:2015
276:talk
247:IETF
143:deaf
120:talk
104:XMPP
28:text
284:ICQ
24:RTT
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